Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7IOC callsign genealogy
Currently held by Simpson, Braiden
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by W7IOC's current licensee, walking backwards.
- Simpson, BraidenIDgranted 2024-05-29cancelled 2025-05-20
Successor callsigns
Callsigns held now by people who previously held W7IOC.
No current licensee on record previously held this callsign.